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142969916912 = 2423388505209
BaseRepresentation
bin1000010100100110101…
…0111100110111110000
3111200000211010021211212
42011021222330313300
54320300244320122
6145402433255252
713220633146124
oct2051152746760
9450024107755
10142969916912
11556a6877729
1223860404528
1310635c72794
146cc3c43584
153abb821ce2
hex2149abcdf0

142969916912 has 20 divisors (see below), whose sum is σ = 289047876240. Its totient is φ = 68376916608.

The previous prime is 142969916851. The next prime is 142969916939. The reversal of 142969916912 is 219619969241.

142969916912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194252237 + ... + 194252972.

It is an arithmetic number, because the mean of its divisors is an integer number (14452393812).

Almost surely, 2142969916912 is an apocalyptic number.

It is an amenable number.

142969916912 is an abundant number, since it is smaller than the sum of its proper divisors (146077959328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142969916912 is a wasteful number, since it uses less digits than its factorization.

142969916912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388505240 (or 388505234 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 59.

The spelling of 142969916912 in words is "one hundred forty-two billion, nine hundred sixty-nine million, nine hundred sixteen thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 23 46 92 184 368 388505209 777010418 1554020836 3108041672 6216083344 8935619807 17871239614 35742479228 71484958456 142969916912